(LAS VEGAS) - A Las Vegas mother who is accused of drowning her 3-year-old son during the weekend claimed voices told her to do it, according to police.

Fox5 reports, according to Las Vegas Metro police, the child's mother, 30-year-old Christine Allen, called 911 about 6:15 p.m. Saturday and said her child drowned in her apartment near the intersection of Vegas and Buffalo drives.

Officers arrived at the scene to find Noah Allen face down in the water in a bathtub. He was taken to a local hospital, where he was pronounced dead.

According to an arrest report released Monday, Christine Allen refused the 911 dispatcher's instructions to start life-saving measures on Noah, saying it was too late.

The mother told rescuers who arrived at the scene that she was having troubles and the voices in her head said she had to drown her son, according to the report.

In the report, Allen told detectives a demon took her over while Noah was taking a bath. She said she asked Noah if he wanted to go swimming, and then blacked out. She said that she held Noah's head under the water, he struggled and then told her he didn't want to go swimming. She said she then pushed his head back under the water.

The mother told detectives that when she came to she noticed Noah was dead, according to the report. She said that he would be better off with God.

Christine Allen was charged with murder. She was being held at the Clark County Detention Center.